fix: change minimum pin to functioning version of eth-tester in tester extras install (#3555)

* fix: working version of tester

* Add newsfragment

---------

Co-authored-by: kclowes <[email protected]>

Author: antazoey

newsfragments/3555.bugfix.rst

@@ -0,0 +1 @@
+Bump the eth-tester version to one that works in the tester dependency extras

setup.py

@@ -8,7 +8,7 @@
     "tester": [
         # Note: ethereum-maintained libraries in this list should be added to the
         # `install_pre_releases.py` script.
-        "eth-tester[py-evm]>=0.11.0b1,<0.13.0b1",
+        "eth-tester[py-evm]>=0.12.0b1,<0.13.0b1",
         "py-geth>=5.1.0",
     ],
     "dev": [